11781485326 has 16 divisors (see below), whose sum is σ = 19100348064. Its totient is φ = 5417974944.

The previous prime is 11781485281. The next prime is 11781485377. The reversal of 11781485326 is 62358418711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810730 + ... + 825133.

It is an arithmetic number, because the mean of its divisors is an integer number (1193771754).

Almost surely, 2^11781485326 is an apocalyptic number.

11781485326 is a deficient number, since it is larger than the sum of its proper divisors (7318862738).

11781485326 is a wasteful number, since it uses less digits than its factorization.

11781485326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636155.

The product of its digits is 322560, while the sum is 46.

The spelling of 11781485326 in words is "eleven billion, seven hundred eighty-one million, four hundred eighty-five thousand, three hundred twenty-six".